#define _CRT_SECURE_NO_WARNINGS  1
#include <stdio.h>

int main()
{
    int i = 0;
    while (scanf("%d", &i) != EOF)
    {
        if (i % 2 == 0)
            printf("Even\n");
        else
            printf("Odd\n");
    }

    return 0;
}
